Rational vs Irrational

The numbers 0, 1, 2, 3, ... are called

• whole numbers
• integers
• rational numbers
• natural numbers

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

• whole numbers
• integers
• rational numbers
• natural numbers

A rational number can be written as a fraction.

• True
• False

-10 is a whole number

• True
• False

-3.5 is an integer

• True
• False

Which description best describes an irrational number?

• A repeating decimal
• An improper fraction
• A non-repeating, non-terminating decimal
• A perfect square

Which of the following is rational?

• √9

• √2

• √3

• √55

Is √2 rational or irrational?

• Rational

• Irrational

Which of the following is rational?

• √2

• √150

• √144

• √10

An example of an integer is...

• 9.1
• 8/9
• -9
• -2.3